/*
 * Copyright 2025 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.cloud.ai.dispatcher;

import com.alibaba.cloud.ai.graph.OverAllState;
import com.alibaba.cloud.ai.graph.action.EdgeAction;

import static com.alibaba.cloud.ai.graph.StateGraph.END;

/**
 * Dispatcher for human feedback node routing.
 *
 * @author Makoto
 */
public class HumanFeedbackDispatcher implements EdgeAction {

	@Override
	public String apply(OverAllState state) throws Exception {
		String nextNode = (String) state.value("human_next_node", END);

		// 如果是等待反馈状态，返回END让图暂停
		if ("WAIT_FOR_FEEDBACK".equals(nextNode)) {
			return END;
		}

		return nextNode;
	}

}
